/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.cangjie.ide.refactoring.move

import com.linqingying.cangjie.psi.CjFile
import com.linqingying.cangjie.psi.CjNamedDeclaration


fun CangJieMoveSource(declaration: CjNamedDeclaration) = CangJieMoveSource.Elements(listOf(declaration))

fun CangJieMoveSource(declarations: Collection<CjNamedDeclaration>) = CangJieMoveSource.Elements(declarations)

fun CangJieMoveSource(file: CjFile) = CangJieMoveSource.File(file)

sealed interface CangJieMoveSource {
    val elementsToMove: Collection<CjNamedDeclaration>

    class Elements(override val elementsToMove: Collection<CjNamedDeclaration>) : CangJieMoveSource

    class File(val file: CjFile) : CangJieMoveSource {
        override val elementsToMove: Collection<CjNamedDeclaration> get() = file.declarations.filterIsInstance<CjNamedDeclaration>()
    }
}
